Morella-rubra-like metal–organic-framework-derived multilayered Co3O4/NiO/C hybrids as high-performance anodes for lithium storage

Multilayered Co₃O₄/NiO/C electrodes with a ball-in-ball hollow morphology are employed in lithium-ion batteries and deliver an excellent rate capacity of 421 mA h g⁻¹ at 4 A g⁻¹ and a high capacity of 776 mA h g⁻¹ over 1000 cycles at 1 A g⁻¹.